.loading {
  background-color: rgba($color: #000000, $alpha: .6);
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  .loading-ul {
    position: relative;
    // position: absolute;
    // left: 50%;
    // top: 50%;
    // transform: translate(-50%, -50%);
    li {
      width: 6px;
      height: 30px;
      background-color: skyblue;
      position: absolute;
      @for $i from 1 through 12 {
        &:nth-child(#{$i}) {
          animation: loading 1.2s infinite linear $i * 0.1s;
          transform: rotateZ($i * 30deg) translateY(40px);
        }
      }
    }
  }
  h3 {
    transform: translateY(80px);
  }
}

@keyframes loading {
  0% {
    opacity: 0;
  }

  40% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}